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采用电热原子吸收光谱法测定了钢铁样品中的痕量钙,加标回收率为95.0%—110.0%,相对标准偏差在4.6%—6.4%之间,本法适用于那些不具备昂贵价格大型仪器的实验室,更适用于生产流程控制检测。
The trace calcium in steel samples was determined by electrothermal atomic absorption spectrometry with the recovery of 95.0% -110.0% and the relative standard deviation of 4.6% -6.4%. The method is suitable for those large-scale instruments that do not have expensive price Of the laboratory, more suitable for the production process control testing.